MESON Chess Problem Database

Problem Display
PID: 2446 (5k1N/8/5B2/8/3K4/8/8/5Q2 w - - 0 1)

Kling, Josef

Source?, 0000

5k1N/8/5B2/8/3K4/8/8/5Q2

#2

4 + 1

5454 Near Snap 2009

SOLUTION

  • SOUND
  • Tries
    • 1.Qh3?
      • threat
        • 2.Qc8#
      • 1...Ke8
        • 2.Qc8#
      • 1...Kg8!
    • 1.Qa6?
      • threat
        • 2.Qc8#
        • 2.Qa8#
      • 1...Ke8
        • 2.Qc8#
      • 1...Kg8!
    • 1.Qc1?
      • threat
        • 2.Qc8#
      • 1...Ke8
        • 2.Qc8#
      • 1...Kg8!
    • 1.Qf5?
      • threat
        • 2.Qc8#
      • 1...Ke8
        • 2.Qc8#
      • 1...Kg8!
  • Keys
    • 1.Qc4!
      • 1...Ke8
        • 2.Qf7#
        • 2.Qc8#

This anticipates 9304(1868), 44560(1868), 6393(1929), 15222(1981)

FEATURES

  • Static
    • TYPE = INCOMPLETE_BLOCK
    • CHANGED MATES = 0
    • ADDED MATES = 0
    • REMOVED MATES = 0
  • Sets
  • Tries
    • Try
      • Q(A);
      • Threat
        • QAR(A)
      • Vars
        • K(a);P-FLIGHT::QAR2(A)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • Q(A);
      • Threat
        • DUALS(2)
      • Vars
        • K(a);P-FLIGHT::QAR2(A)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • Q(A);
      • Threat
        • QAR(A)
      • Vars
        • K(a);P-FLIGHT::QAR2(A)
      • Refutation
        • K(a);P-FLIGHT
    • Try
      • Q(A);
      • Threat
        • QAR(A)
      • Vars
        • K(a);P-FLIGHT::QAR2(A)
      • Refutation
        • K(a);P-FLIGHT
  • Actual
    • Q(A);
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